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Finding the Fourth Proportional to 64.55, 97.41 and 62.54

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Solution

The fourth proportional to 64.55, 97.41 and 62.54 is: 94.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.55 : 97.41 = 62.54 : x
  2. Step 2: Convert to fraction form
    64.55/97.41 = 62.54/x
  3. Step 3: Cross multiply
    64.55x = 97.41 × 62.54
  4. Step 4: Simplify right side
    64.55x = 6,092.02
  5. Step 5: Solve for x
    x = 6,092.02/64.55
  6. Step 6: Final answer
    x = 94.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.